NAVSTAR 71 (USA 256)
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About This Satellite
NAVSTAR 71 (USA 256) is a cataloged satellite tracked under NORAD ID 40105 with international designator 14045A. According to the GCAT master catalog, it was built by BOES, on the GPS IIF platform, with a launch mass of about 1630 kg, with a shape described as Box + 2 Pan. According to the TLE snapshot used when this page was generated (2026-08-18), its MEO orbit had an apogee of about 20.284 km and a perigee near 20.095 km, with an inclination of 55.40° and a period of roughly 718 minutes; at apogee its speed was about 3.86 km/s. Positions on this page are near-real-time SGP4 predictions propagated from the latest two-line element (TLE) data.
In the TLE snapshot used to generate this page, NAVSTAR 71 (USA 256)'s apogee was 20.284 km, where its speed was about 3.86 km/s, completing about 2.0 orbits of Earth per day. Track it live on the map above or in the JOT orbital map.